Transcription of General Purpose Input/Output (GPIO)
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General Purpose Input/Output (GPIO)Sasang Balachandran11/08/2009 ECE 480 Design team 3 Keywords GPIO, MCU, CPU, ADC, 8962 Executive SummaryApplications that use microcontrollers are rapidly growing as cots of production lower and performance of embedded systems increase, the need to provide flexibility in terms of data input and output is a necessity to create adaptability in microprocessor communication. The use of General Purpose Input/Outputs is a realization of open ended transmission between devices on an embedded level. These pins available on a processor can be programmed to be used to either accept input or provide output to external devices depending on user desires and applications requirements.
A General Purpose Input/output (GPIO) is an interface available on most modern microcontrollers (MCU) to provide an ease of access to the devices internal properties. ... Some of the features of the ports include: a standard logic tolerance of up to 5-V on both input and output, specific programmable control for GPIO interrupts which include
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